/Engine/Plugins/Experimental/Mutable/Source/CustomizableObjectEditor/Classes/MuCOE/Nodes/CustomizableObjectNodeParentedMaterial.h
Returns the parent material node if there exist a path to it.
[UCustomizableObjectNodeMaterial](API\Plugins\CustomizableObjectEditor\MuCOE\Nodes\UCustomizableObjectNodeMaterial) * GetParentMaterialNodeIfPath() const